Flippon - Japanese Vocabulary

AI Mnemonics & Smart Study

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Flippon is an AI-powered Japanese vocabulary learning app that combines smart flashcards with a powerful offline dictionary. Built with modern AI technology and spaced repetition science, Flippon helps you master Japanese vocabulary and prepare for the JLPT exam efficiently! Whether you are a beginner learning Hiragana or an advanced learner targeting JLPT N1, Flippon is your best companion for Japanese vocabulary acquisition. --- 【 Key Features 】 Smart, instant, and memorable! Simply enter any Japanese word, and our AI will automatically generate its reading (kana), precise definitions, and contextual example sentences with translations. It also creates custom "AI Memory Hints" (Mnemonics) to help your brain build associations, making vocabulary stick for good. Flippon integrates the open-source JMdict dictionary and the extensive Tatoeba example sentence database. Query words, parts of speech, and translations offline anytime without using any mobile data. Perfect for airplane rides, commuting, or traveling abroad. Using the scientific SM-2 Spaced Repetition Algorithm, Flippon schedules review sessions based on your word proficiency (0-5 scale). By prompting you to review right before your brain forgets, it guarantees maximum retention with minimum effort. Get instant access to official vocabulary packs curated for JLPT N5, N4, N3, N2, and N1. Free users can preview the packs, while Pro users can unlock the entire database, download it locally, and copy words to custom decks for personalization. Keep track of your study streak, daily review progress, vocabulary mastery distribution, and 7-day review trends with clean, interactive charts. Visualizing your progress turns vocabulary building into an engaging habit. Listen to high-quality native pronunciations for both terms and sentences. Customize your auditory learning experience with "Female / Male" voice preference settings (falls back to default female voice if the selected voice package is not downloaded on the device). --- 【 Why Choose Flippon? 】 - Clean & Premium UI: Minimalist modern design with full dark mode support, providing a distraction-free environment for focused study. - Complete Personalization: Create custom decks and organize words by topic or difficulty. You are in full control of your learning. - Hybrid Offline/AI Power: Query instantly offline to save data, and leverage AI when you need deep semantic explanations and mnemonic hints. Download Flippon today to supercharge your Japanese vocabulary learning! EULA (Terms of Use): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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Thank you for using Flippon! Here is what's new in this version: * Smooth Card Review: Optimized swiping performance on the flashcard review page, ensuring an ultra-smooth experience even with thousands of vocabulary cards. * Progress Auto-Save: Improved the database saving system to automatically back up your review progress when you minimize or close the app, preventing any data loss. * Enhanced Stability: Fixed background calculation lags to provide a more responsive and seamless study session.

Version 1.2.0

The developer, Chia-Chun Hsieh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Chia-Chun Hsieh
    Size
    • 96.9 MB
    Category
    • Education
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.0 or later.
    Languages
    English and 5 more
    • English, Japanese, Korean, Simplified Chinese, Traditional Chinese, Vietnamese
    Age Rating
    4+
    In-App Purchases
    Yes
    • IT Vocab: Tech Vocabulary Pack $4.99
    • JLPT N2: Pre-Advanced Vocab Pack $6.99
    • JLPT N3: Intermediate Vocab Pack $5.99
    • JLPT N1: Advanced Vocab Pack $6.99
    • JLPT N4: Elementary Vocab Pack $4.99
    • JLPT N5: Beginner Vocab Pack $4.99
    • Pro Monthly Subscription $1.49
    • Pro Yearly Subscription $12.99
    • Learn More
    Copyright
    • © 2026 Shrimp Studio
  • Privacy Policy

    • More by Chia-Chun Hsieh

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